Recent content by WmRickert

{snip} {/snip} Correct. It was a 5lb bag. I added approximately 1/4 of that. The procedure was to start with a backwash and clean basket at the pump. I got my pressure reading at 8psi. Tested for channeling with a handful of DE. No blowout so I added till I brought the pressure up to about...

(I'll highlight the questions for easier reading.) What is confusing is I ran a low CYA ~20 all year last year adding a little bleach each day. I didn't want to raise my CYA any higher because I run about a 50-60ppm on the borates to reduce chlorine demand. (and the sparkling color) 20ppm CYA +...

First of all I'd like to say thank you to everyone here. I've been lurking for 2 years now and consider myself an armature chemist as a result. This is my 3rd time opening a pool. 33' round (16.5 diameter) 4' sides 4.5' center Estimated 28,000 gallons However it historically reacts like it is...